Exodus 32:26
then Moses stood in the gate of the camp and said, "Who is on the LORD's side? Come to me." And all the sons of Levi gathered around him.
Joshua 5:13
When Joshua was by Jericho, he lifted up his eyes and looked, and behold, a man was standing before him with his drawn sword in his hand. And Joshua went to him and said to him, "Are you for us, or for our adversaries?"
2 Samuel 20:11
And one of Joab's young men took his stand by Amasa and said, "Whoever favors Joab, and whoever is for David, let him follow Joab."
2 Kings 9:32
And he lifted up his face to the window and said, "Who is on my side? Who?" Two or three eunuchs looked out at him.
Matthew 12:30
Whoever is not with me is against me, and whoever does not gather with me scatters.